[bsp][stm32][stm32l475-atk-pandora]Add lcd driver codes

Signed-off-by: Willian Chan <chentingwei@rt-thread.com>

bsp/stm32/stm32l475-atk-pandora/applications/lcd_sample.c

@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author        Notes
+ * 2019-08-28     WillianChan   first version
+ */
+
+#include <rtthread.h>
+#include <rtdevice.h>
+#include <board.h>
+
+#ifdef BSP_USING_SPI_LCD
+#include <drv_lcd.h>
+#include <rttlogo.h>
+
+static int lcd_sample(void)
+{
+    /* 清屏 */
+    lcd_clear(WHITE);
+
+    /* 显示 RT-Thread logo */
+    lcd_show_image(0, 0, 240, 69, image_rttlogo);
+    
+    /* 设置背景色和前景色 */
+    lcd_set_color(WHITE, BLACK);
+
+    /* 在 LCD 上显示字符 */
+    lcd_show_string(10, 69, 16, "Hello, RT-Thread!");
+    lcd_show_string(10, 69+16, 24, "RT-Thread");
+    lcd_show_string(10, 69+16+24, 32, "RT-Thread");
+    
+    /* 在 LCD 上画线 */
+    lcd_draw_line(0, 69+16+24+32, 240, 69+16+24+32);
+    
+    /* 在 LCD 上画一个同心圆 */
+    lcd_draw_point(120, 194);
+    for (int i = 0; i < 46; i += 4)
+    {
+        lcd_draw_circle(120, 194, i);
+    }
+    
+    return RT_EOK;
+}
+INIT_APP_EXPORT(lcd_sample);
+#endif /* BSP_USING_SPI_LCD */

bsp/stm32/stm32l475-atk-pandora/board/ports/drv_lcd.h

@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author            Notes
+ * 2018-08-14    flybreak           the first version
+ * 2018-09-18    balanceTWK         add sleep mode function 
+ */
+
+#ifndef __DRV_LCD_H__
+#define __DRV_LCD_H__
+
+#include <rtthread.h>
+#ifdef PKG_USING_QRCODE
+#include <qrcode.h>
+#endif
+
+#define LCD_W 240
+#define LCD_H 240
+
+//POINT_COLOR
+#define WHITE            0xFFFF
+#define BLACK            0x0000
+#define BLUE             0x001F
+#define BRED             0XF81F
+#define GRED             0XFFE0
+#define GBLUE            0X07FF
+#define RED              0xF800
+#define MAGENTA          0xF81F
+#define GREEN            0x07E0
+#define CYAN             0x7FFF
+#define YELLOW           0xFFE0
+#define BROWN            0XBC40
+#define BRRED            0XFC07
+#define GRAY             0X8430
+#define GRAY175          0XAD75
+#define GRAY151          0X94B2
+#define GRAY187          0XBDD7
+#define GRAY240          0XF79E
+
+void lcd_clear(rt_uint16_t color);
+void lcd_address_set(rt_uint16_t x1, rt_uint16_t y1, rt_uint16_t x2, rt_uint16_t y2);
+void lcd_set_color(rt_uint16_t back, rt_uint16_t fore);
+
+void lcd_draw_point(rt_uint16_t x, rt_uint16_t y);
+void lcd_draw_point_color(rt_uint16_t x, rt_uint16_t y, rt_uint16_t color);
+void lcd_draw_circle(rt_uint16_t x0, rt_uint16_t y0, rt_uint8_t r);
+void lcd_draw_line(rt_uint16_t x1, rt_uint16_t y1, rt_uint16_t x2, rt_uint16_t y2);
+void lcd_draw_rectangle(rt_uint16_t x1, rt_uint16_t y1, rt_uint16_t x2, rt_uint16_t y2);
+void lcd_fill(rt_uint16_t x_start, rt_uint16_t y_start, rt_uint16_t x_end, rt_uint16_t y_end, rt_uint16_t color);
+
+void lcd_show_num(rt_uint16_t x, rt_uint16_t y, rt_uint32_t num, rt_uint8_t len, rt_uint32_t size);
+rt_err_t lcd_show_string(rt_uint16_t x, rt_uint16_t y, rt_uint32_t size, const char *fmt, ...);
+rt_err_t lcd_show_image(rt_uint16_t x, rt_uint16_t y, rt_uint16_t length, rt_uint16_t wide, const rt_uint8_t *p);
+#ifdef PKG_USING_QRCODE
+rt_err_t lcd_show_qrcode(rt_uint16_t x, rt_uint16_t y, rt_uint8_t version, rt_uint8_t ecc, const char *data, rt_uint8_t enlargement);
+#endif
+
+void lcd_enter_sleep(void);
+void lcd_exit_sleep(void);
+void lcd_display_on(void);
+void lcd_display_off(void);
+
+#endif